# SDR USAA990511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N419US](https://openairdocs.org/aircraft/N419US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23986
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Condition: Cracked
- Location: Bs 178
- Part time: 30,191 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA990511

## Discrepancy

CLT - DURING Q-2 CHECK, FOUND .5 INCH VERTICAL CRACK ON BULKHEAD WEB AT STATION 178, LBL 4.5, WL 198.  DEFECTIVE PART REPLACED WITH IDENTICAL PART NUMBER PER SRM 51-10-02.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
